RDMA: Pass uverbs_attr_bundle as part of '.reg_user_mr_dmabuf' API

Pass uverbs_attr_bundle as part of '.reg_user_mr_dmabuf' API instead of
udata.

This enables passing some new ioctl attributes to the drivers, as will
be introduced in the next patches for mlx5 driver.

Change the involved drivers accordingly.

Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://patch.msgid.link/9a25b2fc02443f7c36c2d93499ae25252b6afd40.1722512548.git.leon@kernel.org


Signed-off-by: Leon Romanovsky <leon@kernel.org>